Langhah, A. A., & Saand, A. (2020). Strength Development of Concrete by Using Eggshell Powder as Partial Replacement of Cement. Quaid-E-Awam University Research Journal of Engineering, Science & Technology, Nawabshah., 18(1), 72-79. Retrieved from http://publications.quest.edu.pk/ojs-3.1.1-4/index.php/qrj/article/view/184